Check Packages

Check modules's version for the package.

Checkjs is a library for type checking and more!

a utils for check browser has insatll abp

Check that a command exists

Check if a JavaScript environment check a DOM

Makes HTTP requests to URLs and parses response headers to determine caching behaviour

CSS color converter

Check for outdated, incorrect, and unused dependencies.

validate package for javascript-node.js

Check if a given value is not undefined, null or NaN else it returns default value.

Library for determining the CSS color format of string values

Data format and type validation

This library allows you to run a check for newer versions against your development and production dependencies, both npm and `git://`/`git+ssh://`.

Get the default port for a protocol.

Like typeof, but not awful.

Check whether a package name is available on bower

A straightforward implementation of base58-check encoding for Audax

Keep your library size in check

Keep your library size in check

Check if a value is a direct instance of a class (not inherited from)